Proceedings of the second Pan American scientific congress : infant mortality statistics / by Meriam, Lewis

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Proceedings of the second Pan American scientific congress : the mortality from cancer in the western hemisphere / by Hoffman, Frederick L.

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Proceedings of the second Pan American scientific congress : the incidence of the different causes of mortality in Provindence during 55 years, 1856 to 1910 / by Chapin, Charles V.

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Selected social trends in the ESCWA Region.

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Proceedings of the second Pan American scientific congress : the accurancy and completence of compiled vital statisties in the United States / by Fulton, John S.

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Congreso Científico Panamericano (2 : 1915-1916 : Washington).

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Congreso Científico Panamericano (2 : 1915-1916 : Washington).

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